Improvement in shade-cord retainer



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WILLIAM HENRY BEGHTEL, OF PHILADELPHIA, PENNSYLVANIA.

Letters Patent No. 106,248, dated August 9, 1870.

---Q- IMPROVEMENT IN SHADE-ORD RETAINER The Schedule referred to in these Letters Patent and making part of the same.

I, WILLIAM HENRY BncHTnL, of Philadelphia, county of Philadelphia, State of Pennsylvania, have invented a Retainer and Adj nster for Window-shade Cords, ot' which the following is aspecitication..

Nature and Object of the Invention..

My invention consists of the combination ot' a rack, having a pulley or hook for receiving the cordofa window-shade, a plate for receiving and guiding the said rack, and for attachment to the window-frame, and a cylinder, with a spiral rib orthread, adapted to the rack, and arranged to turn in the said plate, the whole being constructed and arranged for the retaining and adjusting of a window-shade cord, substantially as described hereafter.

Descriptz'ow df the Accompanying Drawing.

Figure lis a seetional elevation of my'improved shade-cord retainer,` and Figure 2, a sectional plan.

General Description.

A represents a plate, to be secured by screws or otherwise to a window-frame, and this plate hasa projection, e, which serves as a guide for the rack B, the upper end of the latter being provided with'a pin, d, on which turns the cord-pulley b.

In projections c c,on the plate A, turn the journals ci' a cylinder, C, a rib or thread, t, being arranged spirally on the cylinder, like that ot' an ordinary screwthread, and the teeth of' the rack 'B being inclined to suit the thread. i

The rack B is elevated or lowered by turning the cylinder G in one direction or the other, to tighten 0r loosen the cord, which passes round the pulley b, the cylinder serving to lock to the rack and retain thecolrd aft-er adjustment.

It will be understood that the upperend of the rack may he simply hooked for receiving the cord, insteadv of having a pulley, as shown and as described above.

Claim.

'lhe combination oi the frame A, its projections ce, the sliding rack andthe cylinder G, havinga spiral thread adapted to the `teeth of the rack, all as set forth.

In testimony whereof rI have signed my name to this specification in the presence ot two subscribing witnesses.

WILLIAM HENRY BEGHTEL.

Witnesses F. B. RICHARDS, HARRY SMITH. 

